<template>
  <h1>循环指令</h1>
  <ul style="list-style:  none">
<!--     循环遍历arr数组,uname就是本轮循环遍历到的元素 -->
    <li v-for="uname in  arr">{{uname}}</li>
  </ul>
  <ol style="list-style: none">
    <li v-for="item in 5">{{item}}</li>
  </ol>
  <hr>
  <table border="1px" >
    <caption>商品列表</caption>
    <tr>
      <th>序号</th>
      <th>商品名称</th>
      <th>商品价格</th>
      <th>商品数量</th>
      <th>操作</th>
    </tr>
    <tr v-for="(p,index) in productArr">
      <td>{{index+1}}</td>
      <td>{{p.title}}</td>
      <td>{{p.price}}</td>
      <td>{{p.num}}</td>
      <td><button @click="del(index)">删除</button></td>
    </tr>
  </table>
</template>

<script setup>
  import {ref} from "vue";
  const arr = ref(['张三','李四','王五','赵六']);

  const productArr = ref([
      {title:"小米手机",price:5000,num:800},
      {title:"华为手机",price:6000,num:900},
      {title:"苹果手机",price:7000,num:100},
      {title:"三星手机",price:8000,num:200},
      {title:"三星手机",price:8000,num:800}
      ]);

  const del = (index)=>{
    if (confirm('您确认要删除此数据吗?')){
      productArr.value.splice(index,1);
    }
  };
</script>

<style scoped>

</style>